12 Days of Christmas
87699 Bottles of Beer
757Abundant Numbers
820Abundant Numbers (Long)
878Arabic to Roman
697Arithmetic Numbers
907Collatz
863Divisors
1,000Emirp Numbers
455Fibonacci
842Fizz Buzz
973
983
870Leap Years
909Leyland Numbers
832Niven Numbers
746
984Pascalβs Triangle
621Pernicious Numbers
655Prime Numbers
938Prime Numbers (Long)
1,000Van Eck Sequence
573